package com.zxwl.common.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class FilterEncode implements Filter{

	private String encoding;
	
	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest) request;
		HttpServletResponse res = (HttpServletResponse) response;
		req.setCharacterEncoding(encoding);
		res.setContentType("text/html;charset="+encoding);
		chain.doFilter(req, res);
	}

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		encoding = filterConfig.getInitParameter("encode");
		
	}

}
